Non-consumable electrode with replaceable graphite tip

Details Non-consumable electrode with replaceable graphite tip Non-consumable electrode with replaceable graphite tip

1978-01-30

1979-03-20

Envall, Jr., R. N.

H05B 708

Patent

active

041455649

ABSTRACT:
A replaceable graphite electrode tip is detachably connected with the lower end of a metal tube, the upper end of which is rigidly connected to electrical conducting means for supporting the tube from a holder in an electric arc furnace. The tube is protected from the heat of the furnace by refractory material forming a sleeve extending upwardly around the tube from the graphite tip.

REFERENCES:
patent: 2471531 (1949-05-01), McIntyre et al.
patent: 2600823 (1952-06-01), Zaccagnini
patent: 3368019 (1968-02-01), De Corso et al.
patent: 3392227 (1968-07-01), Ostberg
patent: 4024337 (1977-05-01), Andersson et al.

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